- an external solid angle of a wall or the like.
- one of the stones forming it; cornerstone.
- any of various bricks of standard shape for forming corners of brick walls or the like.
- a wedge-shaped piece of wood, stone, or other material, used for any of various purposes.
- Printing. a wedge of wood or metal for securing type in a chase.
- to provide with quoins, as a corner of a wall.
- to secure or raise with a quoin or wedge.
Origin of quoin
First recorded in 1525–35; variant of coin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for quoin
Quoin—a wedge placed under the breech of a gun to fix its elevation.Artillery Through the Ages
In great-gun exercise, the order which prepares for adjusting the quoin.The Sailor's Word-Book
William Henry Smyth
More time was spent at Quoin Hill than at any other locality.
While collecting at Quoin Hill, we used only guns in taking birds.
This was the only time this species was observed in the Quoin Hill area.
coign or coigne
- an external corner of a wall
- Also called: cornerstone a stone forming the external corner of a wall
- another name for keystone (def. 1)
- printing a metal or wooden wedge or an expanding mechanical device used to lock type up in a chase
- a wedge used for any of various other purposes, such as (formerly) to adjust elevation in muzzle-loading cannon
C16: variant of coin (corner)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for quoin
1530s, "a cornerstone," variant spelling of coin (n.); in early use also in other senses of that word, including "a wedge."
Online Etymology Dictionary, © 2010 Douglas Harper